Who wanted to buy: Dutch Navy, Canadian Navy, (others are still considering)

Why? The Navies, world wide have spent many millions of dollars in technologies to safely get the crew back to surface in a survival suit. The problem was finding up to 120 crew spread out over hundreds of square miles. The Sea Marshall sub mariner version offers the ability to withstand up to 300 meters without an exterior box and a reliable transmission of the international homing signal so that SAR can locate them within minutes of an incident